blackguard | 1acff996f30eca03412658e634931fd8f0d2cf1789f3938426db68d5f52f2743

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
13-06-2024 20:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1acff996f30eca03412658e634931fd8f0d2cf1789f3938426db68d5f52f2743.exe
Size

4.1MB
MD5

089319196a1eb3954487ef27534fac37
SHA1

9b78cc3e90ffaad1d4a772e414fee118b073c100
SHA256

1acff996f30eca03412658e634931fd8f0d2cf1789f3938426db68d5f52f2743
SHA512

c4bd1b6cc0a5f5d74ec15fc692e236c7d154ef5df54b48ed7c738c6c8aabc447cf98517c1375d4122ad802e7fbb7162837b4953e36e61867621c88cfe6c6141b
SSDEEP

98304:uKZ1fFm44CeqdSpvTJ8kB1PHG4hKvQJXiurAGm8Nrmz9HT6qHdy6R:uY1fFm4LSpV88nKvURMGmiiBHT9Hd5

Score

10^/10

blackguard spyware stealer

Malware Config

Extracted

Family

blackguard

https://api.telegram.org/bot7347084755:AAEPo6bIaWPl296sTBL5-HwHaIzcmHBRavo/sendMessage?chat_id=1880548751

Signatures

BlackGuard
Infostealer first seen in Late 2021.
stealer blackguard

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 2 IoCs

resource	yara_rule
behavioral1/files/0x0008000000013432-11.dat	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2564-16-0x0000000000D50000-0x0000000000DBA000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables containing SQL queries to confidential data stores. Observed in infostealers 2 IoCs

resource	yara_rule
behavioral1/files/0x0008000000013432-11.dat	INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
behavioral1/memory/2564-16-0x0000000000D50000-0x0000000000DBA000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore

Detects executables containing common artifacts observed in infostealers 2 IoCs

resource	yara_rule
behavioral1/files/0x0008000000013432-11.dat	INDICATOR_SUSPICIOUS_GENInfoStealer
behavioral1/memory/2564-16-0x0000000000D50000-0x0000000000DBA000-memory.dmp	INDICATOR_SUSPICIOUS_GENInfoStealer

Detects executables referencing Discord tokens regular expressions 2 IoCs

resource	yara_rule
behavioral1/files/0x0008000000013432-11.dat	INDICATOR_SUSPICIOUS_EXE_Discord_Regex
behavioral1/memory/2564-16-0x0000000000D50000-0x0000000000DBA000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Discord_Regex

Detects executables referencing credit card regular expressions 2 IoCs

resource	yara_rule
behavioral1/files/0x0008000000013432-11.dat	INDICATOR_SUSPICIOUS_EXE_CC_Regex
behavioral1/memory/2564-16-0x0000000000D50000-0x0000000000DBA000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_CC_Regex

Detects executables referencing many VPN software clients. Observed in infosteslers 2 IoCs

resource	yara_rule
behavioral1/files/0x0008000000013432-11.dat	INDICATOR_SUSPICIOUS_EXE_References_VPN
behavioral1/memory/2564-16-0x0000000000D50000-0x0000000000DBA000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_VPN

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 2 IoCs

resource	yara_rule
behavioral1/files/0x0008000000013432-11.dat	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2564-16-0x0000000000D50000-0x0000000000DBA000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 2 IoCs

resource	yara_rule
behavioral1/files/0x0008000000013432-11.dat	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2564-16-0x0000000000D50000-0x0000000000DBA000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables using Telegram Chat Bot 2 IoCs

resource	yara_rule
behavioral1/files/0x0008000000013432-11.dat	INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
behavioral1/memory/2564-16-0x0000000000D50000-0x0000000000DBA000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_TelegramChatBot

Executes dropped EXE 1 IoCs

pid	Process
2564	windows.exe

Loads dropped DLL 1 IoCs

pid	Process
1612	1acff996f30eca03412658e634931fd8f0d2cf1789f3938426db68d5f52f2743.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org
6	freegeoip.app

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2564	windows.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2564	windows.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 2564	1612	1acff996f30eca03412658e634931fd8f0d2cf1789f3938426db68d5f52f2743.exe	28
PID 1612 wrote to memory of 2564	1612	1acff996f30eca03412658e634931fd8f0d2cf1789f3938426db68d5f52f2743.exe	28
PID 1612 wrote to memory of 2564	1612	1acff996f30eca03412658e634931fd8f0d2cf1789f3938426db68d5f52f2743.exe	28
PID 1612 wrote to memory of 2564	1612	1acff996f30eca03412658e634931fd8f0d2cf1789f3938426db68d5f52f2743.exe	28
PID 2564 wrote to memory of 1468	2564	windows.exe	29
PID 2564 wrote to memory of 1468	2564	windows.exe	29
PID 2564 wrote to memory of 1468	2564	windows.exe	29

C:\Users\Admin\AppData\Local\Temp\1acff996f30eca03412658e634931fd8f0d2cf1789f3938426db68d5f52f2743.exe
"C:\Users\Admin\AppData\Local\Temp\1acff996f30eca03412658e634931fd8f0d2cf1789f3938426db68d5f52f2743.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Users\Admin\AppData\Local\Temp\windows.exe
  "C:\Users\Admin\AppData\Local\Temp\windows.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2564
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 2564 -s 1412
    3⤵
    PID:1468

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Newtonsoft.Json.dll

Filesize
695KB

MD5
195ffb7167db3219b217c4fd439eedd6

SHA1
1e76e6099570ede620b76ed47cf8d03a936d49f8

SHA256
e1e27af7b07eeedf5ce71a9255f0422816a6fc5849a483c6714e1b472044fa9d

SHA512
56eb7f070929b239642dab729537dde2c2287bdb852ad9e80b5358c74b14bc2b2dded910d0e3b6304ea27eb587e5f19db0a92e1cbae6a70fb20b4ef05057e4ac

Download Submit
C:\Users\Admin\AppData\Local\Temp\System.Data.SQLite.dll

Filesize
402KB

MD5
b0911d27918a1e20088b4e6b6ec29ad3

SHA1
93a285c96a4d391ea4fe6655caaa0bbf2ee52683

SHA256
24043ef4472d9d035cd1a8294f68d2bbfdf76f5455af80c09c89e64f6ed15917

SHA512
518da2e73b849be38570d7db218adeb47f85fde89c15dac577eb1446a9a55bb4cfaf31d371428b9c4f0c69c0be3e2cb10fafcadbec24e8ab793b639392e3f029

Download Submit
\Users\Admin\AppData\Local\Temp\windows.exe

Filesize
396KB

MD5
f33b6b2ba7e52bb00b00699dfe75307c

SHA1
24f9f8847f3565565c9d19758d6dee9ec5fe18cf

SHA256
46b0ecc76ce76281a612dc76594e6c0d58721a25047d6591273ce013908d75f8

SHA512
4f35346a73ce122484bed0d4e079b54aa50cbc7ee1d1bc60c3e4f75e6a9d84e4c2ad3caadb6c69d2400143ef7f32644963dbaf6a99a6a2d01bbd49990329279e

Download Submit
memory/2564-15-0x000007FEF55C3000-0x000007FEF55C4000-memory.dmp

Filesize
4KB

Download
memory/2564-16-0x0000000000D50000-0x0000000000DBA000-memory.dmp

Filesize
424KB

Download
memory/2564-18-0x000000001A750000-0x000000001A802000-memory.dmp

Filesize
712KB

Download
memory/2564-48-0x0000000000450000-0x00000000004B6000-memory.dmp

Filesize
408KB

Download
memory/2564-49-0x000007FEF55C3000-0x000007FEF55C4000-memory.dmp

Filesize
4KB

Download